Expandable bottle



FIG. 1 is a side elevation view of an expandable bottle in an expanded condition showing my new design, all sides being identical;

FIG. 2 is a side elevation view thereof in a collapsed condition, all sides being identical; and,

FIG. 3 is a perspective, exploded view of the expandable bottle shown in FIG. 1.

The broken lines are included for the purpose of illustrating the portions of the expandable bottle that form no part of the claimed design. 

CLAIM The ornamental design for an expandable bottle, as shown and described. 